touch 20240127_hc2_12.zip
touch 20240227_hc2_13.zip
touch 20240322_hc6_18.zip
touch 20240123_hc6_20.zip
touch 20240223_hc4_17.zip
touch 20240113_hc2_14.zip
touch 20240923_hc4_15.zip
touch 20240723_hc6_19.zip
touch 20241001_hc4_16.zip
touch 20240723_hc6_18.zip
touch 20240728_hc2_12.zip
touch 20240728_hc2_13.zip
touch 20240824_hc6_20.zip
touch 20240724_hc4_17.zip
touch 20240724_hc2_14.zip
touch 20240724_hc4_15.zip
touch 20241002_hc4_16.zip
touch 20240724_hc6_19.zip
touch 20240729_hc2_12.zip
touch 20240724_hc6_18.zip
touch 20240729_hc2_13.zip
touch 20240725_hc6_20.zip
touch 20240725_hc4_17.zip
touch 20240725_hc2_14.zip
touch 20240725_hc4_15.zip
touch 20240625
touch 20240425
mkdir 20240623

ls -1
echo "--------------------------------------"

bdate=`date -d "180 days ago" +%Y%m%d`
ls -1|grep ^20|grep zip|while read folder_name
do
    if [ $(echo $folder_name|awk -F "_" '{print $1}') -le "$bdate" ];then
        echo "`date +"%Y-%m-%d %H:%M:%S"`：即将删除文件：$folder_name"
        rm -f $folder_name
        pwd
        echo "`date +"%Y-%m-%d %H:%M:%S"`：$folder_name文件已删除"
    fi
done
echo "--------------------------------------"
ls -1